Base | Representation |
---|---|
bin | 11011101111100000101111… |
… | …000010000101110011110001 |
3 | 121000000020212101202022200222 |
4 | 123233200233002011303301 |
5 | 111443022011311201001 |
6 | 1111255350131222425 |
7 | 34462043361153431 |
oct | 3357405702056361 |
9 | 530006771668628 |
10 | 122012220022001 |
11 | 35971101394431 |
12 | 11826951747a15 |
13 | 531091a5a029a |
14 | 221b5cc8522c1 |
15 | e18c4036561b |
hex | 6ef82f085cf1 |
122012220022001 has 4 divisors (see below), whose sum is σ = 122046522027252. Its totient is φ = 121977918016752.
The previous prime is 122012220021907. The next prime is 122012220022009. The reversal of 122012220022001 is 100220022210221.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 10183604262976 + 111828615759025 = 3191176^2 + 10574905^2 .
It is a cyclic number.
It is not a de Polignac number, because 122012220022001 - 238 = 121737342115057 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122012220022009) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17150997290 + ... + 17151004403.
It is an arithmetic number, because the mean of its divisors is an integer number (30511630506813).
Almost surely, 2122012220022001 is an apocalyptic number.
It is an amenable number.
122012220022001 is a deficient number, since it is larger than the sum of its proper divisors (34302005251).
122012220022001 is an equidigital number, since it uses as much as digits as its factorization.
122012220022001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34302005250.
The product of its (nonzero) digits is 128, while the sum is 17.
Adding to 122012220022001 its reverse (100220022210221), we get a palindrome (222232242232222).
The spelling of 122012220022001 in words is "one hundred twenty-two trillion, twelve billion, two hundred twenty million, twenty-two thousand, one".
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